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hammer [34]
3 years ago
6

Find the value of x 3(4x+3)

Mathematics
1 answer:
Dimas [21]3 years ago
8 0

3(4x+3)=12x+9

i don't know what do you need,

if roots, let 12x+9=0

the root is x=-3/4

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Write the 2-digit number that matches the club
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Step-by-step explanation:

for a 2-digit number the tens digit (x) is 8 more than the ones digit (y) and no number is zero

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The scale of a map is 1in:15miles. How many miles is it from Philadelphia, Pa to Boston, Ma if they are 20.4 inches apart on the
cupoosta [38]

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if 1in=15miles

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4 0
2 years ago
What is 2√20 - 4√45 + 7√12 in simplest radical form? Show your work!
posledela

Answer:

14\sqrt{3}-8\sqrt{5}

Step-by-step explanation:

we have

2\sqrt{20}-4\sqrt{45}+7\sqrt{12}

we know that

2\sqrt{20}=2\sqrt{2^{2}5} =2(2)\sqrt{5}=4\sqrt{5}

4\sqrt{45}=4\sqrt{3^{2}5} =4(3)\sqrt{5}=12\sqrt{5}

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substitute the values in the expression above

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Combine like terms

14\sqrt{3}-8\sqrt{5}

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3 years ago
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